Extrusion for a building panel



FIG. 1 is a perspective view of an extrusion for a building panel showing our new design;

FIG. 2 is a left side elevation view of the extrusion shown in FIG. 1;

FIG. 3 is a front elevation view of the extrusion shown in FIG. 1;

FIG. 4 is a right side elevation view of the extrusion shown in FIG. 1;

FIG. 5 is a rear elevation view of the extrusion shown in FIG. 1;

FIG. 6 is a top plan view of the extrusion shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the extrusion shown in FIG. 1.

The extrusion for a building panel is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for an extrusion for a building panel, as shown and described. 